Yao, Si-sheng, and Nan-jing Huang. “A Class of Quasistatic Contact Problems for Viscoelastic Materials With Nonlocal Coulomb Friction and Time-Delay”. Mathematical Modelling and Analysis 19, no. 4 (September 1, 2014): 491-508. Accessed December 2, 2024. https://mma.vgtu.lt/index.php/MMA/article/view/3310.